The two subspecies split about 20,000 years ago. But since then, they may have interbred more often than Smithsonian ...

Wolf DNA seems to have influenced the size, smelling power and even personality of modern dog breeds, scientists said.

Dogs were the first of any species that people domesticated, and they have been a constant part of human life for millennia.

Genomic analysis of more than 2,700 dog and wolf genomes shows that most modern dogs carry small traces of post-domestication ...

New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.